<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        #ta {
            width: 800px;
            min-height: 100px;
            height: auto;
            resize: none;
        }

         ::-webkit-resizer {
            background-color: rgb(240, 94, 94);
        }

        ::-webkit-scrollbar {
            -webkit-appearance: none;
            width: 4px;
            height: 3px;
        }

        ::-webkit-scrollbar-button {
            display: none;
        }

        ::-webkit-scrollbar-corner,
         ::-webkit-scrollbar-track {
            background-color: #eaecf5;
        }

        ::-webkit-scrollbar-thumb {
            border-radius: 4px;
            background-color: rgba(139, 144, 145, 0.9);
        }

       
    </style>
</head>

<body>
    <div style="width: 900px;margin: 0 auto;border: 1px solid #ccc;">
        <textarea id="ta"></textarea>
    </div>
</body>

</html>